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Solve $3a + 4b = a - 8b + 24$ for $a$ in terms of $b$.

 Jul 10, 2021
 #1
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Please help me. I just don't get it. 

 Jul 10, 2021
 #2
avatar+114788 
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Solve for a in terms of b

 

\(3a+4b=a-8b+24\)

 

You are asked to rearrange this so that you have 'a' out the front by itself.  The other side can have not a's in it.

 

Follow these steps, one at a time, to get your answer.

 

1) take   1a    away from  BOTH sides

2) take 4b away from BOTH sides

3)Divide BOTH sides by the number in front of the a   (which should be 2)

 

4) there might be a little tidying to do on the right side but the left side just has 'a' now.  That is what you want   

 

Come back with your working and the answer  cool

 Jul 10, 2021
edited by Melody  Jul 10, 2021
 #3
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is it (-a+12)/6?

 Jul 10, 2021
 #4
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No wait, that's not it. I gtg to sleep now. Ill be back in the morning. 

 Jul 10, 2021
 #5
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Show the working.  Steps 1, 2, 3 and 4      laugh

Melody  Jul 10, 2021
 #6
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look it was a question of my math test. I just got my results. That's the only one i got wrong. In my school they don't give the answers. I need the answer I need to c how i got it wrong. 

 Jul 10, 2021
edited by Guest  Jul 10, 2021
 #7
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AND

 

I need to see how you attempt my teaching questions that I have asked you.

 

It is no wonder you cannot learn if you do not even attempt to follow your teacher's (my) instructions.

Melody  Jul 11, 2021

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